Social influences on adolescent substance use |
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Authors: | Simons-Morton Bruce |
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Affiliation: | Prevention Research Branch, Division of Statistics, Epidemiology, and Prevention Research, National Institute of Child Health and Human Development, Bethesda, MD, 20892-7510, USA. mortonb@mail.nih.gov |
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Abstract: | OBJECTIVES: To assess the overtime relationships between adolescent and peer substance use and parenting practices. METHODS: Five times from sixth to ninth grade, students (n=2453) in 7 middle schools reported smoking, drinking, and marijuana use; the number of substance-using friends; and parent practices. Relationships were assessed using latent growth curve modeling. RESULTS: Adolescent substance use predicted the growth in substance-using friends, and substance-using friends predicted adolescent use, except for smoking. The negative over-time relationship between parenting practices and adolescent substance use was mediated by the growth in the number of substance-using friends. CONCLUSIONS: The results are consistent with both selection and socialization effects and provide evidence of the protective effects of positive parenting practices. |
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